Research Summary
Analyzed using Evidence Intelligence™

Imeglimin improves glycaemic control in type 2 diabetes patients

Last updated July 18, 2026

Key finding

HbA1c decreased by 0.65% from baseline.

This study evaluated the efficacy and safety of imeglimin as an add-on therapy to DPP-4 inhibitors in patients with type 2 diabetes, showing mixed results in glycemic control.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Medium-Term (3–12 mo)

Risk of bias

Some Concerns

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Plain-language summary

What this paper says

A plain-language read of the study’s main message and where it applies.

Study focus

This study evaluated the efficacy and safety of imeglimin as an add-on therapy to DPP-4 inhibitors in patients with type 2 diabetes, showing mixed results in glycemic control.

Clinical relevance

These findings are significant for clinicians treating type 2 diabetes, as they highlight the potential of imeglimin to enhance glycemic control when used with DPP-4 inhibitors. Understanding the efficacy and safety of new treatment options is crucial for optimizing diabetes management and improving patient outcomes.

Keep in mind

The study did not assess long-term effects beyond the trial period. Sample size and demographic diversity were not specified. Some outcomes showed increases in the placebo group, complicating interpretation.

Published in

Journal Reference

Publication details and source links for this paper.

Kohei K, Masashi S, Takeshi O, Masahiro I, Hideaki K. Efficacy and safety of imeglimin add-on therapy to DPP-4 Inhibitor in patients with type 2 diabetes mellitus: A Randomized, double-blind, clinical trial. Diabetes, Obesity & Metabolism. 2025;27(6):3212-3222. doi:10.1111/dom.16336

Main Effects

HbA1c decreased by 0.65% in the imeglimin group (p=0.001)

Fasting plasma glucose decreased by 16.9 mg/dL in the imeglimin group (p=0.001)

Serum insulin increased by 9.55 µIU·h/mL in the imeglimin group (p=0.015)

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Imeglimin and Change in glycoalbumin from baseline, Fasting Plasma Glucose (FPG), Fasting insulin levels, and 1 more.

Primary intervention

Imeglimin

Primary outcomes

  • Change in glycoalbumin from baseline
  • Fasting Plasma Glucose (FPG)
  • Fasting insulin levels

Evidence relationships

Intervention and outcome relationships this study adds to the evidence network.

4
Evidence pairs
4
Relationships
2
Evidence topics
contributes_evidence

Editorial context

Why this study matters

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Evidence network role

This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.

Moderate contributionModerate confidenceNetwork score: 68

2

Related topics

4

Evidence pairs

555

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 4 evidence relationships
  • Includes primary outcome data
  • Linked to 2 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

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Primary evidence

Evidence topic

Glycemic Control

matched_outcome

Related evidence

Evidence topic

HbA1c Reduction

Save evidence

Core evidence

Study findings

The primary outcomes reported in this study.

Change in glycoalbumin from baseline

Imeglimin → Change in glycoalbumin from baseline

Imeglimin → Change in glycoalbumin from baseline

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Fasting insulin levels

Imeglimin → Fasting insulin levels

Imeglimin → Fasting insulin levels

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
25
Negative
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Fasting Plasma Glucose (FPG)

Imeglimin → Fasting Plasma Glucose (FPG)

Imeglimin → Fasting Plasma Glucose (FPG)

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

HbA1c

Imeglimin → HbA1c

Imeglimin → HbA1c

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Evidence Library

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evidence suggest

Evidence Suggest

  • Imeglimin reduced HbA1c by 0.65%, indicating improved glycemic control.
  • Fasting plasma glucose decreased by 16.9 mg/dL with imeglimin treatment.
  • Serum insulin levels increased significantly with imeglimin.
who this applies

Who this applies to

  • Adults with type 2 diabetes currently on DPP-4 inhibitors.
  • Patients seeking additional treatment options for glycemic control.
keep in mind

Keep in Mind

  • Results may not generalize to populations outside the study sample.
  • The trial's short duration limits understanding of long-term efficacy.
  • Variability in outcomes suggests the need for further research.
between the lines

Between the Lines

  • The study did not assess long-term effects beyond the trial period.
  • Sample size and demographic diversity were not specified.
  • Some outcomes showed increases in the placebo group, complicating interpretation.

Evidence Library

Build your evidence library

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Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Imeglimin and Insulin Resistance, Imeglimin and Fasting Glucose.

Related evidence relationships

Explore in Evidence Explorer

This study contributes to the evidence on the following intervention-outcome relationships.

Questions answered by this study

Generated from the study's connected evidence using Evidence Intelligence™.

Does Imeglimin improve change in glycoalbumin from baseline?

Emerging Evidence

Imeglimin appears to improve Change in glycoalbumin from baseline.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Change in glycoalbumin from baseline

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Imeglimin improve fasting plasma glucose (fpg)?

Emerging Evidence

Imeglimin appears to improve Fasting Plasma Glucose (FPG).

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Fasting Plasma Glucose (FPG)

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Imeglimin improve HbA1c?

Emerging Evidence

Imeglimin appears to improve HbA1c.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Imeglimin improve fasting insulin levels?

Emerging Evidence

Imeglimin may worsen Fasting insulin levels or be associated with harm.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Fasting insulin levels

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | moderate negative | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026
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